Tooth cleansing agent



' 20 As suitable artificial resins there are particularst n f $015532?322339 331232 iifitfi irfidfiifiiiii. ton may for instance r r according to dehydes with naphthalene in the presence of 1. the following formulae which are merely illustrafuric acid or of polyvalent alcohols and carboxfive and which in n y limit y Present nylic acids, particularly those containing more tion: v ,i 40 than one carboxylic acid group have proved to be Grams 40 suitable. In this connection condensation prod- 1. Powdered urea-jormaldehyde condensaucts of, for instance, glycerin or glycols, for extion product (so called Pollopas waste ample l-3-butylene glycol or mannitol on the one pressed material) z. 47 and and phthalic acid, maleic acid, abietic' acid l cerin; 5 4 and tartaric acid the other hand may be 2. Pressed-powder of an urea-formaldehyde- 45 tioned. There come further into consideration condensation product (s called Polpolyvinyl ciimpounds for instance mixed polylopas" pressed t r 43 merisates of vinyl chloride on the one hand and Glycerin vinyl esters, particularly vinyl acetate respectively U f ldeh de comer-imam prd 5o acrylic acid esters, such for instance as acrylic y l 32 50 acid methyl or ethyl ester on the other hand or 55;; 20 polystyrene products. Also polyvinyl naphtha- G1 cerm 48 lene, polyvinyl carbazol and polyvinyl chloride "f" which may be afterchlorinated as well as conden- MlXed polymerlzate 0f Vmyl chloride and I 55 sation products of maleic acid esters with vinyl 'aclylic acld methyl 'e g 55 acetate and styrene may be used. D Glycerin 5 It is also possible to employ products obtained 5 Emulsion polymerize/fie 0 Stryene 18 by chlorination of either naturalor synthetic rub- Glycerin 82 her or the intermediate products obtained in the 6. Polyvinyl chloride 35 60 iatented' Sept. 11 3, 1938 i I 7 2,130,034

UNITED sures-PATEN om s Hans, Schmidt, Wuppertal-Vohwinkel, Germany, assignor to Winthrop Chemical Company, Inc., New York, N. Y., a corporation of New'York No ,f'Drawing. Application May 26, 1937, Serial {No. 144,832. In Germany May 30, 1936 7 Claims. (01. 167-93) The present invention relates to tooth cleansing are known under the names of resits and .resitols, agents. l. after hardening for instance by heat treatment. Tooth pastes and tooth powders generally com The time and conditions of resinification may tain as mechanical cleansing agents respectively vary within wide limits.

ii filling materials powdered mineral substances or As especially adapted have proved artificial res- 5 salts such as prepared chalk, calcium phosphate, ins which are obtained by condensation of formalcalcium sulfate, silicic acid and others. These dehyde and amines, particularly ureas', such as substances show the disadvantage that they affect CO (NH2) '2, or cyanamide.

v the enamel of the tooth partly because of their The artificial resins can be employed in the 0 hardness partly because they contain .even in a form of pressed powders, or the ready-made prodvery finely powdered state pieces of crystals. ucts respectively the wastes are ground to pow- In accordance with the present invention it has drs. The products are preferably added in a very been established that solid artificial'resins in the finely ground and sieved state to the tooth pastes form of p wd r are v ry uita a m a a respectively tooth powders which contain the cleansing agents in tooth pastes and powders. other ingredients required for cosmetic or hy- Because of their hardness and their complete lack gienic reasons As such additional ingredients of crystal edggs 1 they a f i i' there maybe mentioned by way of example disinspar g an ye e 66 vemec an 0 Bans ng fecting agents such as mixtures of high molecu-v agents-in tooth pastes and tooth p lar alkyl-dimethyl benzyl ammonium chlorides, as

1y to be mentioned the condensation products of well gs flavor and taste rr1gents for instanc? aldehydes and amines, for instance those obtained peppermint 9 Alsovgum ambic' kamya gum and from formaldehyde and acetaldehyde on the one tragacanth y be p e ent in the tooth cleansing hand and for instance urea, thiourea, cyanamide, agents according to t e Ve t dicyanamide, guanidlne and aromatic amines, The artificial resins y be ed in Various 2 such as aniline and toluidine. Also products ob-' proportions according to the requirements which tained by hardening casein for instance with forthe tooth cleansing agents shall satisfy. 'Thus maldehyde y be used- There come further into for instance a tooth paste containing about 40 to consideration P cts of aldehydes particularly about of the artificial resin, preferably of the the aforementioned ones with phenols such as type obtained by the condensation of urea and so g g z g 11 g ig Also formaldehyde, which resin is known under the e sa on pro uc so a e y es or e onesamong .l themselves, which condensation is efiected under gag name of pouopa's has proved to the influence of alkaline reacting agents,,for in- Tooth pastes according to the present inven 0 condensation of formaldehyde and phenol, which Glycerin The aforenamed admixtures may be added to these tooth pastes.

Iclaini: 20 l. Tooth cleansing agent comprising as mechanical cleansing agenta solid artificial resin in the form of powder.

2. Tooth cleansing agent comprising as me chanical cleansing agent a solid artificial resin Grams obtained by condensation of an aldehyde with an '1. Condensation product of formaldehyde amine in the form of powder.

n cygnamlde 43 3. Tooth cleansing agentcomprising as me- 'rrjgly dlaml acid sodium as t chanical cleansing agent a solid artificial resin solving addition obtained by condensation of formaldehyde and an Glycerin I 52 amine in the form of powder. Etherealou 1 4. Tooth cleansing agent comprising as mechanical cleansing agent a solid artificial resin Pollopas pressed mixture according to obtained by condensation of formaldehyde and 10 2 35 an urea in the form of powder.

' Triglycolamic acid Sodium as 5. Tooth cleansing agent comprising as-me- Solving addition,- 4 chanical cleansing agent a solid artificial resin Talc 3 Y obtained by condensation of formaldehyde and Glycerin 57 CO(NH:): in the form of powder.

15 Ethereal 011 v v 1 6. Tooth cleansing agent comprising as mechanical cleansing agent a solid artificial resin obtained by condensation of formaldehyde and cyanamide.

7. Tooth cleansing agent comprising as mechanical cleansing agent from about 40 to about HANS SCHRHDT.

form of powder. 

